8340228

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 23115456

約数和(自身を除く): 14775228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 71, 78, 117, 142, 156, 213, 234, 251, 284, 426, 468, 502, 639, 753, 852, 923, 1004, 1278, 1506, 1846, 2259, 2556, 2769, 3012, 3263, 3692, 4518, 5538, 6526, 8307, 9036, 9789, 11076, 13052, 16614, 17821, 19578, 29367, 33228, 35642, 39156, 53463, 58734, 71284, 106926, 117468, 160389, 213852, 231673, 320778, 463346, 641556, 695019, 926692, 1390038, 2085057, 2780076, 4170114, 8340228]

約数ペア:

[(1, 8340228), (2, 4170114), (3, 2780076), (4, 2085057), (6, 1390038), (9, 926692), (12, 695019), (13, 641556), (18, 463346), (26, 320778), (36, 231673), (39, 213852), (52, 160389), (71, 117468), (78, 106926), (117, 71284), (142, 58734), (156, 53463), (213, 39156), (234, 35642), (251, 33228), (284, 29367), (426, 19578), (468, 17821), (502, 16614), (639, 13052), (753, 11076), (852, 9789), (923, 9036), (1004, 8307), (1278, 6526), (1506, 5538), (1846, 4518), (2259, 3692), (2556, 3263), (2769, 3012)]